Let every one mind his own business, and endeavor to be what he was made.

"it's not my business," Scrooge returned. "It's enough for a man to understand his own business, and not to interfere with other people's. Mine occupies me constantly."

It's done by everyone minding their own business

A man is likely to mind his own business when it is worth minding. When it is not, he takes his mind off his own meaningless affairs by minding other people’s business.

A man is likely to mind his own business when it is worth minding .when it is not ,he takes his mind off his own meaningless affairs by minding others people's business.
This expresses itself in gossip ,snooping and meddling ,and also in feverish interest in communal ,national and racial affairs .
In running away from ourselves we either fall on our neighbor's shoulder or fly at his throat.

You have a brain and mind of your own. Use it, and reach your own decisions.

Everyone has the right to make his own decisions, but none has the right to force his decision on others.

The fact is that each person has to do something different, something that is uniquely his own.

The individual's duty is to do what he wants to do, to think whatever he likes, to be accountable to no one but himself, to challenge every idea and every person.

It is better to leave each one in his own opinion than to enter into arguments.

you have to decide your own self-worth versus letting others determine it.

Let every man judge according to his own standards, by what he has himself read, not by what others tell him.

There is nothing more provocative than minding your own business.

Every man gotta right to decide his own destiny